@Juan - That was it, thank you very much.
Ed

On Wed, Nov 30, 2016 at 1:51 PM, Juan Pablo Gardella <
gardellajuanpa...@gmail.com> wrote:

> Try by removing Xerces library. Check http://stackoverflow.
> com/questions/14014989/java-lang-abstractmethoderror-org-
> apache-xerces-dom-elementimpl-gettextcontent
>
> On Wed, 30 Nov 2016 at 15:48 Ed <ej19...@gmail.com> wrote:
>
>> Hi Group,
>>
>> Tried to update to GWT 2.8 Got some errors, so I reverted to GWT 2.7 and
>> getting the following errors:
>>
>> How can I determine if it is my code or a library issue?
>>
>> I am beginning to believe it is a failing hard drive but dont know how to
>> tell, hard drive checks do not show any issues.
>>
>> ERROR
>>
>> Compiling module com.CyberObjects.wrrw.WRRWWebMaterial
>>    [ERROR] An internal compiler exception occurred
>> com.google.gwt.dev.jjs.InternalCompilerException: Unexpected error
>> during visit.
>>     at com.google.gwt.dev.jjs.ast.JVisitor.translateException(
>> JVisitor.java:121)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.accept(
>> JModVisitor.java:296)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.accept(
>> JModVisitor.java:285)
>>     at com.google.gwt.dev.jjs.ast.JVisitor.accept(JVisitor.java:128)
>>     at com.google.gwt.dev.jjs.ast.JCastOperation.traverse(
>> JCastOperation.java:67)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.traverse(
>> JModVisitor.java:381)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.accept(
>> JModVisitor.java:293)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.accept(
>> JModVisitor.java:285)
>>     at com.google.gwt.dev.jjs.ast.JVisitor.accept(JVisitor.java:128)
>>     at com.google.gwt.dev.jjs.ast.JDeclarationStatement.traverse(
>> JDeclarationStatement.java:49)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor$ListContext.
>> traverse(JModVisitor.java:95)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.acceptWithInsertRemove(
>> JModVisitor.java:351)
>>     at com.google.gwt.dev.jjs.ast.JBlock.traverse(JBlock.java:92)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.traverse(
>> JModVisitor.java:381)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.accept(
>> JModVisitor.java:293)
>>     at com.google.gwt.dev.jjs.ast.JVisitor.accept(JVisitor.java:149)
>>     at com.google.gwt.dev.jjs.ast.JVisitor.accept(JVisitor.java:145)
>>     at com.google.gwt.dev.jjs.ast.JMethodBody.traverse(
>> JMethodBody.java:83)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.traverse(
>> JModVisitor.java:381)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.accept(
>> JModVisitor.java:293)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.accept(
>> JModVisitor.java:285)
>>     at com.google.gwt.dev.jjs.ast.JMethod.visitChildren(JMethod.java:600)
>>     at com.google.gwt.dev.jjs.ast.JMethod.traverse(JMethod.java:569)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.traverse(
>> JModVisitor.java:381)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.accept(
>> JModVisitor.java:293)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.accept(
>> JModVisitor.java:285)
>>     at com.google.gwt.dev.jjs.impl.UnifyAst.mainLoop(UnifyAst.java:1505)
>>     at com.google.gwt.dev.jjs.impl.UnifyAst.exec(UnifyAst.java:870)
>>     at com.google.gwt.dev.jjs.JavaToJavaScriptCompiler$
>> Precompiler.unifyJavaAst(JavaToJavaScriptCompiler.java:1305)
>>     at com.google.gwt.dev.jjs.JavaToJavaScriptCompiler$
>> Precompiler.constructJavaAst(JavaToJavaScriptCompiler.java:1038)
>>     at com.google.gwt.dev.jjs.JavaToJavaScriptCompiler$
>> Precompiler.precompile(JavaToJavaScriptCompiler.java:954)
>>     at com.google.gwt.dev.jjs.MonolithicJavaToJavaScriptComp
>> iler.precompile(MonolithicJavaToJavaScriptCompiler.java:303)
>>     at com.google.gwt.dev.jjs.JavaScriptCompiler.precompile(
>> JavaScriptCompiler.java:38)
>>     at com.google.gwt.dev.Precompile.precompile(Precompile.java:286)
>>     at com.google.gwt.dev.Precompile.precompile(Precompile.java:229)
>>     at com.google.gwt.dev.Precompile.precompile(Precompile.java:145)
>>     at com.google.gwt.dev.Compiler.run(Compiler.java:206)
>>     at com.google.gwt.dev.Compiler.run(Compiler.java:158)
>>     at com.google.gwt.dev.Compiler$1.run(Compiler.java:120)
>>     at com.google.gwt.dev.CompileTaskRunner.doRun(
>> CompileTaskRunner.java:55)
>>     at com.google.gwt.dev.CompileTaskRunner.runWithAppropriateLogger(
>> CompileTaskRunner.java:50)
>>     at com.google.gwt.dev.Compiler.main(Compiler.java:127)
>> Caused by: java.lang.AbstractMethodError: org.apache.xerces.dom.
>> ElementNSImpl.setUserData(Ljava/lang/String;Ljava/lang/
>> Object;Lorg/w3c/dom/UserDataHandler;)Ljava/lang/Object;
>>     at com.google.gwt.uibinder.rebind.W3cDocumentBuilder.startElement(
>> W3cDocumentBuilder.java:127)
>>     at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown
>> Source)
>>     at org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(Unknown
>> Source)
>>     at 
>> org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
>> Source)
>>     at org.apache.xerces.impl.XMLNSDocumentScannerImpl$
>> NSContentDispatcher.scanRootElementHook(Unknown Source)
>>     at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl
>> $FragmentContentDispatcher.dispatch(Unknown Source)
>>     at 
>> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
>> Source)
>>     at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
>>     at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
>>     at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
>>     at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
>>     at javax.xml.parsers.SAXParser.parse(Unknown Source)
>>     at com.google.gwt.uibinder.rebind.W3cDomHelper.
>> documentFor(W3cDomHelper.java:74)
>>     at com.google.gwt.uibinder.rebind.UiBinderGenerator.
>> getW3cDoc(UiBinderGenerator.java:204)
>>     at com.google.gwt.uibinder.rebind.UiBinderGenerator.generateOnce(
>> UiBinderGenerator.java:179)
>>     at com.google.gwt.uibinder.rebind.UiBinderGenerator.
>> generate(UiBinderGenerator.java:127)
>>     at com.google.gwt.core.ext.IncrementalGenerator.
>> generateNonIncrementally(IncrementalGenerator.java:40)
>>     at com.google.gwt.dev.javac.StandardGeneratorContext.
>> runGeneratorIncrementally(StandardGeneratorContext.java:760)
>>     at com.google.gwt.dev.cfg.RuleGenerateWith.realize(
>> RuleGenerateWith.java:160)
>>     at com.google.gwt.dev.shell.StandardRebindOracle$Rebinder.
>> rebind(StandardRebindOracle.java:79)
>>     at com.google.gwt.dev.shell.StandardRebindOracle.rebind(
>> StandardRebindOracle.java:276)
>>     at com.google.gwt.dev.shell.StandardRebindOracle.rebind(
>> StandardRebindOracle.java:265)
>>     at com.google.gwt.dev.DistillerRebindPermutationOracle.
>> getAllPossibleRebindAnswers(DistillerRebindPermutationOracle.java:87)
>>     at com.google.gwt.dev.jjs.impl.UnifyAst$UnifyVisitor.
>> createStaticRebindExpression(UnifyAst.java:485)
>>     at com.google.gwt.dev.jjs.impl.UnifyAst$UnifyVisitor.
>> createRebindExpression(UnifyAst.java:443)
>>     at com.google.gwt.dev.jjs.impl.UnifyAst$UnifyVisitor.
>> handleMagicMethodCall(UnifyAst.java:576)
>>     at com.google.gwt.dev.jjs.impl.UnifyAst$UnifyVisitor.
>> endVisit(UnifyAst.java:306)
>>     at com.google.gwt.dev.jjs.ast.JMethodCall.traverse(
>> JMethodCall.java:248)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.traverse(
>> JModVisitor.java:381)
>>     at com.google.gwt.dev.jjs.ast.JModVisitor.accept(
>> JModVisitor.java:293)
>>     ... 40 more
>>       [ERROR] at NativeHorizontalScrollbar.java(87): GWT.create(
>> NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBinder.class)
>>       [ERROR] at NativeHorizontalScrollbar.java(87):
>> (NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBinder) GWT.create(
>> NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBinder.class)
>>       [ERROR] at NativeHorizontalScrollbar.java(87): static
>> NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBinder uiBinder =
>> (NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBinder) GWT.create(
>> NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBinder.class)
>>       [ERROR] at NativeHorizontalScrollbar.java(31): {
>>   AbstractNativeScrollbar.$clinit();
>>   static NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBinder
>> uiBinder = (NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBinder)
>> GWT.create(NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBin
>> der.class);
>> }
>>       [ERROR] at NativeHorizontalScrollbar.java(31): {
>>   AbstractNativeScrollbar.$clinit();
>>   static NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBinder
>> uiBinder = (NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBinder)
>> GWT.create(NativeHorizontalScrollbar$NativeHorizontalScrollbarUiBin
>> der.class);
>> }
>>       [ERROR] at NativeHorizontalScrollbar.java(31): private static
>> final void $clinit();
>>
>>
>> Best
>>
>> Ed
>>
>>
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